node json stringify
let data = {
name: "John Smith",
age: 30,
hobbies: ["Programming", "Video Games"]
};
// {name:"John Smith",age:30,hobbies:["Programming","Video Games"]}
let miny = JSON.stringify(data);
// The 4 parameter signifys 4 spaces. You can also use "\t".
/* {
* name: "John Smith",
* age: 30,
* ...
*/
let pretty = JSON.stringify(data, null, 4);object to json javascript
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);js string
`hello world`
`hello!
world!`
`hello ${who}`
escape `<a>${who}</a>`Strings in javascript
var abc = "abcdefghijklmnopqrstuvwxyz";
var esc = 'I don\'t \n know'; // \n new line
var len = abc.length; // string length
abc.indexOf("lmno"); // find substring, -1 if doesn't contain
abc.lastIndexOf("lmno"); // last occurance
abc.slice(3, 6); // cuts out "def", negative values count from behind
abc.replace("abc","123"); // find and replace, takes regular expressions
abc.toUpperCase(); // convert to upper case
abc.toLowerCase(); // convert to lower case
abc.concat(" ", str2); // abc + " " + str2
abc.charAt(2); // character at index: "c"
abc[2]; // unsafe, abc[2] = "C" doesn't work
abc.charCodeAt(2); // character code at index: "c" -> 99
abc.split(","); // splitting a string on commas gives an array
abc.split(""); // splitting on characters
128.toString(16); // number to hex(16), octal (8) or binary (2)Stringy.JS
StringyJS is a free open-source javascript string methods extension library:
https://github.com/Adison-Masih/Stringyjs string
let longString = "This is a very long string which needs " +
"to wrap across multiple lines because " +
"otherwise my code is unreadable.";Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
